BlackRock (BLK.SW, SIX): Pre-market rise to CHF852.85 on large reprice signal: check liquidity and outlook

BLK.SW stock opened pre-market at CHF863.90 and trades at CHF852.85, a +96.87% move from the prior close of CHF433.20 on SIX. The jump shows a large repricing in a thin trade session, with only 40.00 shares reported. Traders should weigh the price gap against low volume and sector trends in Financial Services.